-31.83% is the change from 600 to 409
Calculation steps:
[( 409 - 600 ) ÷ 600] x 100 = -31.83%
Formula
Percentage change = [(409 - 600) / 600] x 100
Subtract the new number by the original number
409 - 600 = -191
-191 ÷ 600 = -0.31833333333333336
-0.31833333333333336 x 100 = -31.83%